Home / 941,776.80-1,411,436.40-436,279.20

Finding the Fourth Proportional to 941,776.80, 1,411,436.40 and 436,279.20

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Solution

The fourth proportional to 941,776.80, 1,411,436.40 and 436,279.20 is: 653,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,776.80 : 1,411,436.40 = 436,279.20 : x
  2. Step 2: Convert to fraction form
    941,776.80/1,411,436.40 = 436,279.20/x
  3. Step 3: Cross multiply
    941,776.80x = 1,411,436.40 × 436,279.20
  4. Step 4: Simplify right side
    941,776.80x = 615,780,343,442.88
  5. Step 5: Solve for x
    x = 615,780,343,442.88/941,776.80
  6. Step 6: Final answer
    x = 653,849.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.